ESTRO 2024 - Abstract Book

S266

Brachytherapy - Gynaecology

ESTRO 2024

Conclusion:

Both treatment plannings with the different fractionation schedules seem to offer similar results considering VCR and late complications. The higher doses in Group 1 without an increase in complications could be explained by a possible different use of vaginal dilators in Group 1. VBT schedules with a lower number of fractions are more comfortable for patients. Although 2D planning is easier and has a lesser workload than 3D planning, in the present era we recommend 3D planning since it allows a more personalized treatment and clearer dose knowledge in OARs. Studies using 3D dosimetric parameters are necessary to compare these fractionation schedules.

Keywords: Endometrial cancer, brachyterapy, 2D-3D planning

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Digital Poster

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Cyrus CHARGARI 1,2 , Pauline MAURY 1,2 , Matthieu TEXIER 3 , Catherine GENESTIE 4 , Philippe MORICE 5 , Sophie BOCKEL 1,2 , Sebastien GOUY 5 , Bachir BA 1 , Samir ACHKAR 1 , François LUX 6 , Olivier TILLEMENT 6 , Sandrine DUFORT 7 , Geraldine LE DUC 7 , Olivier DE BEAUMONT 7 , Amandine MAULARD 4 , Erika PORCEL 8 , Ratislav BAHLEDA 9 , Daphné MOREL 1,2 , Sophie ESPENEL 1 , Patricia PAUTIER 10 , Charlotte ROBERT 1,2,11 , Eric DEUTSCH 1,2,11